Segment Information (Tables)

6 Months Ended

Jun. 30, 2016

Segment Reporting [Abstract]

Segment Information

(millions)	Consolidated			United States			West Africa			Eastern Mediterranean		Other Int'l & Corporate
Three Months Ended June 30, 2016
Revenues from Third Parties	$	823		$	576		$	116		$	131	$	—
Income from Equity Method Investees	24			15			9			—		—
Total Revenues	847			591			125			131		—
DD&A	622			544			49			19		10
Loss on Divestitures	23			23			—			—		—
Loss on Commodity Derivative Instruments	151			129			22			—		—
(Loss) Income Before Income Taxes	(498		)	(183		)	18			71		(404		)
Three Months Ended June 30, 2015
Revenues from Third Parties	$	732		$	451		$	174		$	106	$	1
Income (Loss) from Equity Method Investees	6			8			(2		)	—		—
Total Revenues	738			459			172			106		1
DD&A	451			344			79			15		13
Gain on Divestitures	(1		)	(1		)	—			—		—
Asset Impairments	15			8			—			7		—
Loss on Commodity Derivative Instruments	87			62			25			—		—
(Loss) Income Before Income Taxes	(293		)	(163		)	23			69		(222		)
Six Months Ended June 30, 2016
Revenues from Third Parties	$	1,528		$	1,065		$	206		$	257	$	—
Income from Equity Method Investees	43			31			12			—		—
Total Revenues	1,571			1,096			218			257		—
DD&A	1,239			1,074			104			39		22
Loss on Divestitures	23			23			—			—		—
Loss on Commodity Derivative Instruments	107			92			15			—		—
(Loss) Income Before Income Taxes	(951		)	(475		)	27			155		(658		)
Six Months Ended June 30, 2015
Revenues from Third Parties	$	1,481		$	938		$	312		$	226	$	5
Income from Equity Method Investees	24			19			5			—		—
Total Revenues	1,505			957			317			226		5
DD&A	905			701			156			30		18
Gain on Divestitures	—			—			—			—		—
Asset Impairments	43			11			—			32		—
Gain on Commodity Derivative Instruments	(63		)	(43		)	(20		)	—		—
(Loss) Income Before Income Taxes	(334		)	(164		)	97			120		(387		)
June 30, 2016
Total Assets	$	22,516		$	17,742		$	2,087		$	2,424	$	263
December 31, 2015
Total Assets	24,196			18,831			2,299			2,677		389